package com.example.admin.config;

import com.aliyun.oss.ClientBuilderConfiguration;
import com.aliyun.oss.OSS;
import com.aliyun.oss.OSSClientBuilder;
import com.aliyun.oss.common.auth.CredentialsProviderFactory;
import com.aliyun.oss.common.auth.DefaultCredentialProvider;
import com.aliyun.oss.common.comm.SignVersion;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

@Configuration
public class OssConfig {
    @Value("${zhyl.oss.endpoint}")
    String endpoint;


    // 填写Bucket所在地域。以华东1（杭州）为例，Region填写为cn-hangzhou。
    // 关于OSS支持的Region与Endpoint的对应关系，请参见https://www.alibabacloud.com/help/zh/oss/user-guide/regions-and-endpoints。
    @Value("${zhyl.oss.region}")
    String region;
    @Value("${zhyl.oss.objectName}")
    String objectName;
    @Value("${zhyl.oss.accesskeyId}")
    String accesskeyId;
    @Value("${zhyl.oss.secretAccesskey}")
    String secretAccesskey;

    @Bean
    public OSS ossClient(){


        // 从环境变量中获取访问凭证。运行本代码示例之前，请先配置环境变量
//        EnvironmentVariableCredentialsProvider credentialsProvider =
//                CredentialsProviderFactory.newEnvironmentVariableCredentialsProvider();
        DefaultCredentialProvider defaultCredentialProvider
                = CredentialsProviderFactory.newDefaultCredentialProvider(accesskeyId,
                secretAccesskey);

        // 创建OSSClient实例。
        // 当OSSClient实例不再使用时，调用shutdown方法以释放资源。
        ClientBuilderConfiguration clientBuilderConfiguration = new ClientBuilderConfiguration();
        // 显式声明使用 V4 签名算法
        clientBuilderConfiguration.setSignatureVersion(SignVersion.V4);
        OSS ossClient = OSSClientBuilder.create()
                .endpoint(endpoint)
                .credentialsProvider(defaultCredentialProvider)
                .region(region)
                .build();
        return ossClient;
    }
}
